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4 He: PV in a J=0,T=0 System

4 He: PV in a J=0,T=0 System. no isovector no magnetic  no axial contribution nuclear structure largely cancels in A PV in “1-body” limit:. low Q 2 : 0.1 (GeV/c) 2 JLAB E00-114 G s E ( t )  r s t d r s   0.5. theory:. high Q 2 : 0.6 (GeV/c) 2 JLAB E91-004

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4 He: PV in a J=0,T=0 System

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  1. 4He: PVin aJ=0,T=0System • no isovector • no magnetic no axial contribution • nuclear structure largely cancels inAPV • in “1-body” limit: low Q2:0.1(GeV/c)2JLAB E00-114 GsE(t)  rst drs  0.5 theory: high Q2:0.6(GeV/c)2JLAB E91-004 dFs  3  10-3 dGsE   0.05  0.02 meson exchange Musolf, Schiavilla+Donnelly, PRC50 (94) 2173

  2. Parity Violation in Elastic 4He(e,e´) Musolf, Schiavilla + Donnelly, PRC 50 (1994) 2173

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